The peroxidase-like catalytic activity of ferrocene and its application in the biomimetic synthesis of microsphere polyaniline

Qiangwei Wang; Kefeng Ma; Zhuojun Yu; Junting Ding; Qiong Hu; Qianrui Liu; Haobo Sun; Dongxiao Wen; Qingyun Liu; Jinming Kong

doi:10.1039/C8NJ02594K

The peroxidase-like catalytic activity of ferrocene and its application in the biomimetic synthesis of microsphere polyaniline†

Qiangwei Wang,‡^a Kefeng Ma,‡^a Zhuojun Yu,^a Junting Ding,^a Qiong Hu,^bc Qianrui Liu,^a Haobo Sun,^a Dongxiao Wen,^d Qingyun Liu*^e and Jinming Kong

*^a

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* Corresponding authors

^a School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, P. R. China
E-mail: j.kong@njust.edu.cn
Tel: +86-25-84303109

^b Center for Advanced Analytical Science, School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, P. R. China

^c School of Civil Engineering, Guangzhou University, Guangzhou 510006, P. R. China

^d Pharmacy College, Henan University of Chinese Medicine, Zhengzhou 450008, P. R. China

^e College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao, P. R. China
E-mail: qyliu@sdust.edu.cn
Tel: +86-0532-86057757

Abstract

It is found for the first time that ferrocene (Fc) can be used as a peroxidase mimic to catalyze the oxidation of hydrogen peroxide (H₂O₂) in this experiment. Hydroxyl radicals (OH˙), one product from oxidation reactions, oxidizes TMB (colorless solution) to TMB_OX (blue solution). Double-reciprocal plots present that the catalysis mechanism of Fc in H₂O₂ oxidation is consistent with the ping-pong mechanism. Additionally, Fc was successfully utilized for polyaniline (PANI) microsphere synthesis in the presence of H₂O₂. Compared with the control, better physical and chemical properties of PANI synthesized in the presence of Fc are found in this study.

New Journal of Chemistry

The peroxidase-like catalytic activity of ferrocene and its application in the biomimetic synthesis of microsphere polyaniline†

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The peroxidase-like catalytic activity of ferrocene and its application in the biomimetic synthesis of microsphere polyaniline

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